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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the SI unit for mass?
💡 Hint: Remember, weight is measured in kilograms!
Question 2
Easy
Name a fundamental quantity.
💡 Hint: These are the basic building blocks of measurement.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the SI unit for length?
- Kilogram
- Meter
- Second
💡 Hint: Think about what unit we relate to physical distance.
Question 2
True or False: The density of an object affects whether it will float or sink in a fluid.
- True
- False
💡 Hint: Remember how we classified objects in class!
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
An aquarium holds 2000 cm³ of water. A rock with a density of 3 g/cm³ is submerged in it. What is the total weight of the water displaced, and how does it affect the water level of the aquarium?
💡 Hint: Use principles of density and volume relationship to find the answer.
Question 2
A hollow metal sphere filled with air has a density of 0.5 g/cm³ and a mass of 500 g. Will it float on water? Explain why or why not based on Archimedes' Principle.
💡 Hint: Remember how density affects buoyancy and the relationship between weight and displaced volume.
Challenge and get performance evaluation